/Engine/Source/Developer/ToolMenus/Public/ToolMenus.h
Bake final menu including calls to construction delegates, sorting, and customization
void AssembleMenuHierarchy ( [UToolMenu](API\Developer\ToolMenus\UToolMenu) * GeneratedMenu, const [TArray](API\Runtime\Core\Containers\TArray)< [UToolMenu](API\Developer\ToolMenus\UToolMenu) * > & Hierarchy )